DevTools: console messages should not be delayed to post-task.

Source/core/inspector/ConsoleMessage.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 215 matching lines @@
                     }
                     jsonArgs->addItem(inspectorValue);
                 }
             }
             jsonObj->setParameters(jsonArgs);
         }
     }
     if (m_callStack)
         jsonObj->setStackTrace(m_callStack->buildInspectorArray());
     frontend->messageAdded(jsonObj);
+    frontend->flush();
 }
 
 void ConsoleMessage::windowCleared(DOMWindow* window)
 {
     if (m_scriptState.get() && m_scriptState.get()->domWindow() == window)
         m_scriptState.clear();
 
     if (!m_arguments)
         return;
     if (m_arguments->scriptState()->domWindow() != window)
         return;
     if (!m_message)
         m_message = "<message collected>";
     m_arguments.clear();
 }
 
 unsigned ConsoleMessage::argumentCount()
 {
     if (m_arguments)
         return m_arguments->argumentCount();
     return 0;
 }
 
 } // namespace WebCore